CN114483117B - A waterproof board laying trolley and waterproof board construction method - Google Patents
A waterproof board laying trolley and waterproof board construction method Download PDFInfo
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- CN114483117B CN114483117B CN202011167050.0A CN202011167050A CN114483117B CN 114483117 B CN114483117 B CN 114483117B CN 202011167050 A CN202011167050 A CN 202011167050A CN 114483117 B CN114483117 B CN 114483117B
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- fastening
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
- E21D11/381—Setting apparatus or devices
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
- E21D11/383—Waterproofing; Heat insulating; Soundproofing; Electric insulating by applying waterproof flexible sheets; Means for fixing the sheets to the tunnel or cavity wall
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
- E21D11/406—Placing endless lining elements, e.g. from reels
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
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- Civil Engineering (AREA)
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- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
本申请涉及一种防水板铺设台车，其包括门架、铺设装置、两个用于引导铺设装置移动的引导装置以及用于控制门架升降和移动的顶升装置，门架沿隧道长度方向的两端分别同轴设置有弧形的导轨，两个引导装置滑移连接于导轨，铺设装置包括两个分别固定于两个引导装置的支撑件和两个连接于支撑件的铺设件，铺设件包括铰接于支撑件的转动臂和控制液压缸，控制液压缸的两端分别铰接于转动臂和支撑件，控制液压缸位于转动臂朝向门架中心一侧，连接于同一支撑件的两个转动臂分别设置有用于缠绕土工布或防水板的铺设辊，铺设辊的两端分别转动连接于门架两端的转动臂且两个铺设辊相互平行。本申请能够同时铺设土工布以及防水板。
The present application relates to a waterproof board laying trolley, which includes a gantry, a laying device, two guiding devices for guiding the movement of the laying device, and a lifting device for controlling the lifting and movement of the gantry. The two ends of the gantry along the length direction of the tunnel are coaxially provided with arc-shaped guide rails, and the two guiding devices are slidably connected to the guide rails. The laying device includes two supports respectively fixed to the two guiding devices and two laying members connected to the supports. The laying members include a rotating arm hinged to the support and a control hydraulic cylinder. The two ends of the control hydraulic cylinder are respectively hinged to the rotating arm and the support. The control hydraulic cylinder is located on the side of the rotating arm facing the center of the gantry. The two rotating arms connected to the same support are respectively provided with laying rollers for winding geotextiles or waterproof boards. The two ends of the laying rollers are respectively rotatably connected to the rotating arms at the two ends of the gantry and the two laying rollers are parallel to each other. The present application can lay geotextiles and waterproof boards at the same time.
Description
Technical Field
The application relates to the field of tunnel construction, in particular to a waterproof board laying trolley and a waterproof board construction method.
Background
The waterproof treatment is a key step in the tunnel construction process, and the construction technology commonly adopted in the prior tunnel waterproof process is mainly to achieve the waterproof purpose by paving geotextiles and waterproof boards on the section of the tunnel, and the waterproof boards are paved after primary support and then the second lining is constructed. The waterproof board is constructed by adopting a simple rack which is erected, the waterproof board is transported up and down and pushed forward purely by manpower, the construction efficiency is low, the paving and hanging are all manually operated, the error is large, the quality problem is easy to occur, and the standardized construction of the site construction progress, the construction quality and the tunnel is difficult to meet.
The related art China patent with the application number of CN201510985751.8 discloses an intelligent trolley for tunnel construction, which has the technical key points that: the device comprises a portal frame, a conveying mechanism, a jacking mechanism, a movable locking mechanism and two traveling trolleys, wherein two symmetrical arc-shaped tracks are fixedly arranged on the portal frame, and the two traveling trolleys are symmetrically arranged on the two arc-shaped tracks; the conveying mechanism comprises a bracket and a winding drum, the bracket is arranged at the bottom of the portal frame and used for supporting waterproof materials, and the winding drum is rotatably arranged on the two travelling trolleys and used for winding the waterproof materials on the bracket; the jacking mechanisms are multiple groups, and the multiple groups of jacking mechanisms are fixed on the door frame and used for jacking the waterproof materials; the movable locking mechanism is arranged at the lower part of the door frame and used for moving and locking the door frame.
In view of the above-mentioned related art, the inventor considers that in the actual construction process, it is still necessary to perform the laying of the waterproof board after the geotechnical cloth is laid on the inner wall of the tunnel, and the overall construction efficiency is relatively low.
Disclosure of Invention
The application provides a waterproof board laying trolley and a waterproof board construction method, which are used for laying geotechnical cloth and a waterproof board on the inner wall of a tunnel at the same time.
In a first aspect, the present application provides a waterproof board laying trolley, which adopts the following technical scheme:
The utility model provides a waterproof board laying trolley, includes portal, laying device, two guiding devices that are used for guiding laying device to remove and is used for controlling portal lift and the jacking device who removes, the portal is provided with curved guide rail along tunnel length direction's both ends coaxial respectively, two guiding device slides and connects in the guide rail, laying device includes two support pieces that are fixed in two guiding devices respectively and two laying pieces that connect in support piece, the laying piece includes articulated in support piece's rotating arm and control pneumatic cylinder, control pneumatic cylinder's both ends are articulated respectively in rotating arm and support piece, the control pneumatic cylinder is located rotating arm towards portal center one side, connect in same two rotating arms of support piece are provided with the laying roller that is used for twining geotechnique cloth or waterproof board respectively, the both ends of laying roller rotate respectively and are connected in the rotating arm at portal both ends and two laying rollers are parallel to each other.
Through adopting above-mentioned technical scheme, when laying geotechnique cloth and waterproof board, make the portal be located the tunnel through jacking device and need lay the intermediate position of part earlier, then twine geotechnique cloth and waterproof board respectively in two laying rollers, and the laying roller that twines geotechnique cloth is located the top, the rotation of flexible control rotor arm through control pneumatic cylinder, so that two rotor arms all laminate in the inner wall of tunnel, rethread guider guide support piece slides along the guide rail at last, and it presss from both sides geotechnique cloth and waterproof board in the inner wall of tunnel respectively to drive when laying roller pivoted, and fix geotechnique cloth and waterproof board in the in-process of pressfitting, thereby geotechnique cloth and waterproof board can be laid simultaneously, optimize efficiency of construction.
Optionally, the tip that support piece was kept away from to the rotor arm is provided with elastic expansion piece, elastic expansion piece is including being fixed in the telescopic link of rotor arm, overcoat in telescopic tube and two expansion springs of telescopic link, and two expansion springs overcoat respectively in telescopic link and telescopic tube, the telescopic link inserts and locates telescopic tube and both with the central axis, telescopic tube overcoat has the fixed tube that is fixed in the rotor arm, and two expansion spring's opposite ends all are connected in the telescopic tube, two the one end that expansion spring kept away from mutually is connected in telescopic link and fixed tube respectively, lay the tip swivelling joint of roller in telescopic tube.
Through adopting above-mentioned technical scheme, because the reason of construction and design, the inner wall of tunnel is not arc completely, when laying the roller and supporting the inner wall of locating the tunnel, can make flexible pipe have the trend that keeps original state through two expansion springs, at the in-process of laying geotechnique cloth and waterproof board, can make flexible pipe shrink towards the telescopic link through laying the roller, two expansion springs can stimulate flexible pipe and remove towards the inner wall of tunnel this moment to can be at the in-process of laying, can make the roller of laying keep comparatively inseparable laminating in the state of tunnel inner wall.
Optionally, the tip of flexible pipe is provided with the connecting piece of connecting the laying roller, the connecting piece includes two connecting plates that are arc platy structure, one of them the connecting plate is fixed in flexible pipe, the laying roller is held between two connecting plates and the limiting ring groove has been seted up to the laying roller, two one tip of connecting plate articulates each other, two the other end of connecting plate is provided with the fastener that makes both will lay the roller clamp, the inboard rotation of connecting plate is connected with a plurality of roll connection in the connecting ball of limiting ring groove.
Through adopting above-mentioned technical scheme, because geotechnique's cloth and waterproof board need be laid simultaneously, the accessible is first twined geotechnique's cloth and waterproof board in different lay the roller, then when doing the laying to the different positions in tunnel, only need cancel the restriction to two connecting plates through the fastener, then open the connecting plate that is not fixed in flexible pipe will use after lay the roller pull down the roll of laying that the winding has geotechnique cloth or waterproof board, can further improve the efficiency of construction when laying geotechnique cloth and waterproof board simultaneously, and connect the ball and can effectually reduce the hindrance that receives when laying the roller rotation, can also be when two connecting plates are opened, connect the ball can not break away from the connecting plate, in order to reduce the too big strain geotechnique cloth of hindrance or waterproof board that receives because of laying the roller when, still can locate the axial slip of limiting the laying roller through connecting ball card, stability when optimizing the use.
Optionally, the fastener includes the fastening rod of hinging in one of them connecting plate and threaded connection in the fastening screw pipe of fastening rod, do not in the fastening rod rotates the connecting plate of connecting and has seted up the fastening opening that is used for the card to establish the fastening rod, the fastening counter bore of adaptation fastening screw pipe has been seted up at fastening opening's opening border, the fastening screw pipe supports and locates in the fastening counter bore.
By adopting the technical scheme, when the laying roller is required to be disassembled and assembled, the fastening screw pipe is separated from the fastening counter bore only by rotating the fastening screw pipe, and then the fastening rod is separated from the fastening opening by rotating the fastening rod, so that the fastening action on the connecting plate can be canceled; meanwhile, when the fastening screw pipe is inserted into the fastening counter bore, the tiny rotation between the two connecting plates can be relatively and sufficiently limited, so that the possibility of vibration increase caused by the increase of the gap between the laying roller and the connecting plates can be effectively reduced during use, and the use effect is further optimized.
Optionally, the fastening screwed pipe rotates and is connected with the butt pipe that is located its one end towards the fastening counter bore, butt pipe overcoat and slide along the axial of fastening pole and connect in the fastening pole, butt pipe supports the inner wall of locating the fastening counter bore.
By adopting the technical scheme, the abutting pipe can further reduce the possibility that vibration during use causes the fastening screw pipe to rotate, so that the stability during use is further optimized.
Optionally, the support piece includes the stay tube of fixed connection in guiding device's support arm and overcoat and slip connection in the support arm, rotation arm and control pneumatic cylinder all rotate to be connected in the stay tube, support arm fixedly connected with control stay tube flexible pneumatic cylinder.
By adopting the technical scheme, when the transition is carried out between the cambered surface of the paved tunnel and the inner wall of the non-cambered surface, the supporting tube can be controlled to slide through the telescopic hydraulic cylinder, and the diameter of the rotating path of the paving roller is changed, so that the paving process can be adaptively adjusted at the same time; and when the laying roller is installed in the tunnel according to the tunnel with different specifications or at different positions with different diameters, the distance between the laying roller and the rotation center of the laying roller can be adjusted, and the portal frames with different specifications are not required to be erected and used again, so that the construction efficiency is further optimized.
Optionally, the two rotating arms connected with the same laying roller are fixedly connected with connecting pipes, one connecting pipe is sleeved on the other connecting pipe, and the other connecting pipe is rotatably connected with the supporting piece.
Through adopting above-mentioned technical scheme, can make the relatively comparatively laminating of rotation center of two laying rollers through the connecting pipe, reduce the angle of adjustment laying roller in order to laminate in the complexity of tunnel inner wall, can also increase two rotating arm pivoted synchronicity and the wholeness of laying roller connection.
Optionally, jacking device includes a plurality of walking pieces and a plurality of jacking piece, and a plurality of the walking piece is the array and distributes and rotate the gyro wheel of connecting in the portal lower part, the vertical pneumatic cylinder that is fixed in the portal of jacking piece, the flexible end of jacking piece is provided with the regulating part of adjusting portal transverse position.
Through adopting above-mentioned technical scheme, in the use, accessible traction vehicle pulls the portal through the walking piece removal, pulls to the construction position after, and the high position of jacking piece adjustment portal, and the last rethread regulating part adjusts the position of portal along tunnel width direction, can effectually reduce the location preparation work to the portal before laying geotechnique's cloth and waterproof board to further promote the efficiency of construction.
Optionally, the regulating part includes fixed connection in the regulation pipe of jacking spare flexible end, wears to locate the regulation pole of regulation pipe and supports the regulation seat of locating ground, it rotates to be connected in the regulation seat to adjust the pole, adjust the regulation pneumatic cylinder that pole fixedly connected with control regulation pipe slided along adjusting the pole, encircle it sets up a plurality of spouts along its axial extension to adjust the pole, roll connection has a plurality of slip balls in the spout, slip ball rotates and connects in the regulation pipe, adjust the length direction in perpendicular to tunnel and be the level setting.
Through adopting above-mentioned technical scheme, when the position of portal along tunnel width direction is adjusted to needs, only need through adjusting the pneumatic cylinder control regulation pipe along adjusting pole axial slip can, and adjust the pneumatic cylinder and connect in adjusting the pole, can make the regulation seat support the portal in the ground of supporting, the regulation that the regulation seat can be adaptive angle does not interfere and adjust the pneumatic cylinder, in addition can also be through slip ball roll connection in the spout, the effectual reduction regulation pipe slides the hindrance that receives in, slip ball slides and is connected in the spout, can effectually increase slip ball and adjust the area of contact of pole, reduce the possibility that the regulating part is impaired because of the load is too big.
In a second aspect, the present application provides a waterproof board construction method, which adopts the following technical scheme:
The construction method of the waterproof board comprises the following steps: s1, preparation of construction: checking the water leakage condition of the primary support before the waterproof board is paved, and measuring and checking the super-underexcavation condition of the support section; material preparation: respectively winding the waterproof board and geotextile on two paving rollers;
S2, positioning a working trolley: positioning and leveling the waterproof board laying trolley, attaching a reflective mark and a safety mark slogan on a portal, opening a special distribution box switch of the waterproof board laying trolley, and checking whether no-load test operation is normal or not;
s3, fixing a laying roller: the laying roller wound with geotextile and the laying roller wound with the waterproof board are respectively connected to different rotating arms in a rotating way, and the laying roller wound with geotextile is positioned above the other laying roller before being laid;
S4, portal position adjustment: the portal is lifted through the lifting piece, then the adjusting pipe is slid along the adjusting rod through the adjusting hydraulic cylinder, and the position of the portal along the width direction of the tunnel is adjusted;
S5, paving a waterproof board: the two laying rollers are respectively attached and matched with the inner wall of the tunnel through the telescopic hydraulic cylinder and the control hydraulic cylinder, then the supporting piece is driven by the guiding device to slide along the circumferential direction of the guide rail, geotechnical cloth and the waterproof board are laid on the inner wall of the tunnel at the same time, the geotechnical cloth is fixed on the surface of sprayed concrete through the special hot melting washer and the shooting nails in the laying process, and the waterproof board is welded and fixed layer by layer at the same time.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when laying geotechnique's cloth and waterproof board, make the portal be located the tunnel through jacking device first and need lay the center position of part, then twine geotechnique's cloth and waterproof board respectively in two laying rollers, and the laying roller that twines has geotechnique's cloth is located the top, rotation through the flexible control rotor arm of control pneumatic cylinder, so that two rotor arms all laminate in the inner wall of tunnel, rethread guider guide support piece slides along the guide rail, and drive and lay roller pivoted while with geotechnique's cloth and waterproof board pressfitting respectively in the inner wall of tunnel, and fix geotechnique's cloth and waterproof board in the in-process of pressfitting, thereby can lay geotechnique's cloth and waterproof board simultaneously, optimize the efficiency of construction.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present application;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is a schematic view, partly in section, of a paving apparatus and a guiding apparatus according to an embodiment of the present disclosure;
FIG. 4 is a schematic view of the construction of a lay-up roll according to an embodiment of the present application;
FIG. 5 is an enlarged schematic view of portion B of FIG. 3;
FIG. 6 is an enlarged schematic view of portion C of FIG. 3;
FIG. 7 is an enlarged schematic view of portion D of FIG. 1;
fig. 8 is a schematic partial cross-sectional view of an adjustment member according to an embodiment of the present application.
Reference numerals illustrate: 1. a door frame; 11. a guide rail; 12. a shield; 2. a guide device; 21. a guide seat; 22. a guide gear; 221. a limiting plate; 222. wheel grooves; 23. a driving member; 231. a driving motor; 232. a drive gear; 3. a paving device; 31. a support; 311. a support arm; 312. a support tube; 313. a telescopic hydraulic cylinder; 32. a paving piece; 321. a rotating arm; 322. controlling a hydraulic cylinder; 33. a laying roller; 331. limiting the ring groove; 34. an elastic expansion piece; 341. a telescopic rod; 342. a telescopic tube; 343. a telescopic spring; 344. a fixed tube; 345. a limiting flange; 35. a connecting piece; 351. a connecting plate; 352. fastening the counter bore; 353. connecting balls; 354. a fastening opening; 36. a fastener; 361. a fastening rod; 362. fastening a screw tube; 363. a butt joint pipe; 364. a limiting groove; 365. a limiting block; 37. a connecting pipe; 4. a jacking device; 41. a walking member; 42. a jacking member; 43. an adjusting member; 431. an adjusting tube; 432. an adjusting rod; 433. an adjusting seat; 434. adjusting a hydraulic cylinder; 435. a chute; 436. sliding balls.
Detailed Description
The application is described in further detail below with reference to fig. 1-8.
The embodiment of the application discloses a waterproof board laying trolley. Referring to fig. 1 and 2, the trolley comprises a portal 1, a laying device 3 for laying geotechnical cloth and waterproof boards, two guiding devices 2 and a jacking device 4 for controlling the portal 1 to lift and move, wherein two ends of the portal 1 along the length direction of a tunnel are respectively provided with arc-shaped guide rails 11, the two guide rails 11 are arranged with a central axis, and the arc-shaped openings of the two guide rails are downward. Wherein the laying device 3 is connected to the guiding devices 2, the two guiding devices 2 are respectively connected to the guide rails 11 in a sliding manner, and the distribution directions of the two guiding devices 2 are parallel to the axial directions of the two guide rails 11, so as to guide the laying device 3 to slide along the guide rails 11 when the geotextile and the waterproof board are laid.
Referring to fig. 2 and 3, the laying device 3 comprises two supports 31 fixedly connected to the two guiding devices 2, respectively, and two laying members 32 connected to the supports 31, i.e. each support 31 is provided with two laying members 32. The laying member 32 includes a rotating arm 321 and a control cylinder 322 hinged to the support member 31, and a cylinder body and a telescopic end of the control cylinder 322 are respectively hinged to the rotating arm 321 and the support member 31, so that both ends of the control cylinder 322 are respectively hinged to the rotating arm 321 and the support member 31, preferably a cylinder body of the control cylinder 322 is hinged to the support member 31. And two control hydraulic cylinders 322 connected to the same support 31 are respectively located at the sides of the two rotating arms 321 away from each other, the control hydraulic cylinders 322 are located at the sides of the rotating arms 321 toward the support 31 where the two are connected, so that the rotation of the rotating arms 321 can be controlled by the extension and retraction of the control hydraulic cylinders 322, and the rotation plane of the rotating arms 321 is parallel to the plane of the arc shape of the guide rail 11.
Referring to fig. 2 and 3, two rotating arms 321 connected to the same support 31 are respectively provided with a laying roller 33, the two laying rollers 33 are parallel to each other, one end of the laying roller 33 is rotatably connected to an end of the rotating arm 321 far from the portal 1, the other end of the laying roller 33 is rotatably connected to an end of one of the rotating arms 321 located at the other end of the portal 1, the two laying rollers 33 are respectively used for winding geotextiles and waterproof boards when in use, and the laying roller 33 wound with geotextiles before being laid is located above the other laying roller 33 so as to be used for firstly laying geotextiles through one of the laying rollers 33 and then laying waterproof boards through the other laying roller 33 when in use, so that construction efficiency is improved and use effect is optimized. The spacing between the two laying rollers 33 is greater than 500mm to facilitate the fixing of geotextiles to the sprayed concrete surface by means of special hot melt washers and nails.
Referring to fig. 2 and 3, the guide rail 11 is a double-sided rack, that is, two tooth surfaces of the guide rail 11 are located toward and away from the edges of the center of the guide rail 11 itself, respectively. The guiding device 2 comprises a guiding seat 21 with a channel steel-shaped structure and at least three guiding gears 22 meshed with the guiding rail 11, the guiding gears 22 are respectively arranged at two side edges of the guiding rail 11, the guiding gears 22 are rotatably connected with the guiding seat 21, a rotation plane of the guiding gears 22 is perpendicular to the opening direction of the guiding seat 21, the opening of the guiding seat 21 faces the door frame 1, the supporting piece 31 is fixedly connected with the guiding seat 21, and at the moment, the rotation of the guiding seat 21 relative to the guiding rail 11 can be limited through the guiding gears 22.
The guide seat 21 is provided with a driving piece 23 for driving one or more guide gears 22, so that the guide gears 22 can be driven to rotate through the driving piece 23 and the guide seat 21 can be driven to slide along the guide rail 11 in use, so that the paving device 3 is driven to slide along the guide rail 11, and at the moment, the paving rollers 33 can be subjected to adaptive angle adjustment by controlling the telescopic control rotating arm 321 of the hydraulic cylinder 322 to enable the two paving rollers 33 to be relatively tightly attached to the inner wall of a tunnel for paving.
The driving piece 23 includes a driving motor 231 and a driving gear 232 coaxially and fixedly connected to an output shaft of the driving motor 231, the driving gear 232 is meshed with one of the guide gears 22 to be capable of driving the guide gears 22 to rotate, and the driving motor 231 is a worm gear motor. In addition, a driven gear disposed at the same center axis as the guide gear 22 may be fixedly coupled to a side portion of one of the guide gears 22, and the driven gear may be engaged with the driving gear 232 to reduce the installation space.
Referring to fig. 2 and 3, in order to limit the guide seat 21 from separating from the guide rail 11, two axial side walls of the guide gear 22 are respectively and fixedly connected with limiting plates 221, so that a wheel groove 222 with an isosceles trapezoid cross section is formed between the guide gear 22 and the two limiting plates 221, and the guide rail 11 is clamped in the wheel groove 222 and is matched with the wheel groove 222.
In order to reduce the possibility that the guide rail 11 is crushed by heavy objects in the tunnel during use, two ends of the portal 1 along the length direction of the tunnel are respectively connected with the shields 12 in a channel steel-shaped structure, the two guide rails 11 are respectively arranged in the two shields 12, one side of the guide rail 11 away from the guide seat 21 is fixedly connected with a connecting strip, and the connecting strip is fixedly connected with the inner wall of the shields 12 so as to be used for protecting the guide rail 11. Wherein the shield 12 and the guide seat 21 are disposed opposite to each other, and a portion of the guide seat 21 passes through the opening of the shield 12 and is connected to the support 31.
Referring to fig. 2 and 3, the support 31 includes a support arm 311 fixedly coupled to the guide seat 21 and a support tube 312 sleeved and slidably coupled to the support arm 311, and the rotating arm 321 and the control cylinder 322 are both rotatably coupled to the support tube 312. The support arm 311 fixedly connected with flexible pneumatic cylinder 313, the cylinder body fixed connection of flexible pneumatic cylinder 313 is in support arm 311, and the flexible end swing joint of flexible pneumatic cylinder 313 is in the outer wall of stay tube 312 for control pneumatic cylinder 322 can be through flexible pneumatic cylinder 313 control stay tube 312 flexible of adaptability when control rotor arm 321 rotates, will be connected with the laying roller 33 of rotor arm 321 and support the inner wall that locates the tunnel.
Meanwhile, due to the two laying rollers 33, in order to enable the rotation centers of the two laying rollers 33 to coincide, the synchronism of the distance between the two laying rollers 33 relative to the support 31 along the radial direction of the guide rail 11 is increased when the angle of the rotating arm 321 is adjusted. The two rotating arms 321 connected to the same laying roller 33 are provided with connecting pipes 37, and both ends of the connecting pipes 37 are fixedly connected to the two rotating arms 321 connected to the laying roller 33, respectively. And one of the connection pipes 37 is sleeved on the other connection pipe 37, and one of the connection pipes 37 is rotatably connected to the support pipe 312, so that coaxiality of paths of rotation of the two laying rollers 33 can be optimized when the laying rollers 33 are subjected to angle adjustment by driving the rotation arms 321 to rotate, so that synchronism of the two laying rollers 33 is increased.
Of these, it is preferable that the larger diameter connecting tube 37 of the two connecting tubes 37 is located between the two supporting members 31, and both ends of the smaller diameter connecting tube 37 are respectively penetrated and rotatably connected to the supporting tube 312.
Referring to fig. 5, the end of the rotating arm 321 remote from the support 31 is provided with an elastic expansion member 34 for enabling the laying roller 33 to maintain a relatively tight fit against the inner wall of the tunnel. The elastic expansion piece 34 includes an expansion rod 341 fixedly connected to the rotating arm 321, an expansion pipe 342 sleeved on the expansion rod 341, and two expansion springs 343, the expansion rod 341 is located at one end of the rotating arm 321 far away from the supporting piece 31, and a connecting line between a part of the expansion rod 341 connected to the rotating arm 321 and a rotation center of the rotating arm 321 is parallel to an axial direction of the expansion rod 341. Wherein the laying roller 33 is rotatably connected to the end of the telescopic tube 342 remote from the rotating arm 321.
The telescopic rod 341 is inserted into the telescopic tube 342 and is arranged with the central axis, the telescopic tube 342 is sleeved with a fixed tube 344 fixedly connected to the rotating arm 321, and the fixed tube 344 and the telescopic tube 342 are arranged with the central axis. The two telescopic springs 343 are respectively sleeved on the telescopic pipe 342 and the telescopic rod 341, opposite ends of the two telescopic springs 343 are respectively fixedly connected with the telescopic pipe 342, and opposite ends of the two telescopic springs 343 are respectively fixedly connected with the telescopic rod 341 and the fixed pipe 344, so that the telescopic pipe 342 can be elastically limited in two directions through the two telescopic springs 343 when in use, and the use effect is optimized.
The edge of the opening of the telescopic tube 342 in the fixed tube 344 is turned outwards to form a limiting flange 345, the limiting flange 345 is adapted to the inner wall of the fixed tube 344, so that after the telescopic spring 343 is separated from the telescopic tube 342 after long-term use, the telescopic spring 343 can be limited to freely stretch out and draw back at the end part of the telescopic tube 342 through the limiting flange 345, the end part of the telescopic tube 342 in the fixed tube 344 can be limited and supported, and plastic deformation caused by bearing torque during use is reduced. In addition, the fixing tube 344 is sleeved on the opening edge of the telescopic tube 342, and a limiting flange 345 is formed by turning inwards, so that the end part of the telescopic spring 343 connected to the inner wall of the fixing tube 344 can be limited, and the telescopic tube 342 can be limited to be separated from the fixing tube 344.
Referring to fig. 3, the end of the telescopic tube 342 remote from the swivel arm 321 is provided with a connection member 35 for connecting the laying roller 33, the connection member 35 comprising two connection plates 351 having an arc-like plate shape. One of the connection plates 351 is fixedly connected to the end of the extension tube 342 far away from the rotating arm 321, the arc-shaped end of the other connection plate 351 is hinged to the extension tube 342, the arcs of the two connection plates 351 are arranged with the central axis and opposite to the openings, two ends of the laying roller 33 are respectively clamped between the two connection plates 351 of different connection pieces 35, and the rotating plane of the connection plates 351 is parallel to the radial plane of the laying roller 33. The ends of the two connection plates 351 not hinged to each other are provided with fasteners 36 which allow both to clamp the laying roller 33, thereby rotationally connecting the laying roller 33 to the end of the telescopic tube 342 by means of the connection 35.
Referring to fig. 3 and 4, in order to reduce the resistance to rotation of the laying roller 33 and to limit the axial movement of the laying roller 33, at least one limiting ring groove 331 is formed around both ends of the laying roller 33, and the two limiting ring grooves 331 are located at positions where the laying roller 33 is sandwiched by the connection plates 351 of the two connection members 35, respectively. The connecting balls 353 are connected with the limiting ring groove 331 in a rolling manner, the connecting balls 353 are partially embedded in the inner wall of the connecting plate 351 and can axially rotate, the connecting balls 353 are provided with rollers in a penetrating manner and are fixedly connected with the connecting plate 351, the rollers are parallel to the axial direction of the laying roller 33, so that the connecting balls 353 are connected with the connecting plate 351 in a rotating manner, the blocking of the laying roller 33 during rotation can be effectively reduced through the rotation of the connecting balls 353, and meanwhile the connecting balls 353 can be positioned in the limiting ring groove 331 to limit the axial sliding of the laying roller 33 so as to optimize the stability of the laying geotechnical cloth and the waterproof board.
Referring to fig. 6, the curved ends of the connection plate 351 are respectively folded outwardly to form a fold for connecting the fastener 36 and reducing interference with the laying roller 33. The fastening member 36 comprises a fastening rod 361 and a fastening screw 362 sleeved outside the fastening rod 361 and connected to the fastening rod 361 in a threaded manner, the fastening rod 361 is hinged to a turnover part of one connecting plate 351 in the connecting member 35, a fastening opening 354 is formed in the turnover part of the other connecting plate 351 in the connecting member 35, the fastening opening 354 is located at one end of the connecting plate 351 away from the hinged end of the connecting plate 351, and the opening direction of the fastening opening 354 is parallel to the rotation plane of the fastening rod 361. The fastening counter bore 352 is formed in the opening edge of the fastening opening 354, the fastening counter bore 352 is adapted to the outer wall of the fastening screw tube 362, the opening of the fastening counter bore 352 faces away from the direction of the connecting plate 351, in which the fastening counter bore 352 is not formed, in the connecting piece 35, the fastening screw tube 362 is inserted into and abuts against the inner wall of the fastening counter bore 352, and the diameter of the outer wall of the fastening screw tube 362 is larger than the width of the fastening opening 354 in the opening direction.
After the two ends of the laying roller 33 are respectively clamped between the two connecting plates 351 of different connecting pieces 35, the fastening rod 361 is rotated to enable the fastening rod 361 to be clamped in the fastening opening 354, then the fastening screw 362 is rotated to be abutted against the inner wall of the fastening counter bore 352 so as to clamp the two connecting plates 351, the laying roller 33 is rotationally connected to the telescopic pipe 342 through the connecting pieces 35, and meanwhile, the movement of the fastening screw 362 can be limited through the fastening counter bore 352, so that the stability in use is further optimized, and the geotechnical cloth and the waterproof board can be relatively stable.
Referring to fig. 6, the fastening screw 362 is rotatably connected with an abutment tube 363 at one end of the fastening screw 362 facing the fastening counterbore 352, the abutment tube 363 is adapted to the fastening counterbore 352, the abutment tube 363 is sleeved outside and coaxially disposed with the fastening rod 361, and the abutment tube 363 is slidably connected to the fastening rod 361 along the axial direction of the fastening rod 361. And the abutting pipe 363 is inserted into and abuts against the inner wall of the fastening counter bore 352, so that the possibility of loosening of the fastening screw 362 caused by vibration in use is reduced, the stability in use is further optimized, the possibility of increasing the gap between the laying roller 33 and the connecting plate 351 caused by loosening of the fastening screw 362 is reduced, and the possibility of increasing vibration of the laying roller 33 is also reduced.
Meanwhile, in order to further reduce the possibility of loosening caused by rotation of the fastening screw 362 due to rotation of the abutment tube 363, a plurality of limiting grooves 364 extending along the axial direction of the fastening rod 361 are formed around the fastening rod 361, the limiting grooves 364 are in an opening structure along the two axial ends of the fastening rod 361, a plurality of limiting blocks 365 are fixedly connected to the inner wall of the abutment tube 363 and the limiting blocks 365 are clamped in the limiting grooves 364, so that the rotation of the abutment tube 363 is limited, and the influence on the fastening screw 362 is reduced.
Referring to fig. 7 and 8, the jacking device 4 includes a plurality of traveling members 41 and a plurality of jacking members 42, the traveling members 41 are rollers arrayed at the lower ends of the mast 1, respectively, and the traveling members 41 are rotatably connected to the mast 1 for pulling the mast 1 by a traction vehicle and for rotational movement by the traveling members 41 when the position adjustment of the mast 1 is required.
The lifting pieces 42 are respectively arranged on the side parts of the travelling pieces 41 in a one-to-one correspondence mode, the lifting pieces 42 are hydraulic cylinders vertically and fixedly connected to the bottom of the portal 1, the cylinder bodies of the lifting pieces 42 are fixed to the portal 1, and the telescopic ends of the lifting pieces 42 are provided with adjusting pieces 43 for adjusting the position of the portal 1 along the width direction of a tunnel. So that when the portal 1 is eccentric relative to the tunnel, the portal can be lifted up by the lifting piece 42, the position of the portal 1 relative to the width direction of the tunnel can be adjusted by the adjusting piece 43, and when a certain angle exists on the inner wall of the laying roller 33 relative to the tunnel, the spacing of the adjusting pieces 43 can be controlled to be different, so that the portal 1 can rotate relative to the tunnel to make fine adjustment on the angle, and the two laying rollers 33 can be attached to the inner wall of the tunnel relatively more confidential.
Referring to fig. 7 and 8, the adjusting member 43 includes an adjusting tube 431 fixedly connected to the telescopic end of the jacking member 42, an adjusting rod 432 penetrating through the adjusting tube 431, and an adjusting seat 433, the adjusting seat 433 is abutted against the ground, and the adjusting rod 432 is rotatably connected to the adjusting seat 433. The adjusting rod 432 is fixedly connected with the adjusting hydraulic cylinder 434, the cylinder body of the adjusting hydraulic cylinder 434 is fixedly connected with the adjusting rod 432, the telescopic end of the adjusting hydraulic cylinder 434 is fixedly connected with the adjusting pipe 431, the axial direction of the adjusting pipe 431 is perpendicular to the length direction of the tunnel, preferably, the adjusting pipe 431 is parallel to the arc-shaped radial plane of the guide rail 11, so that when the position of the portal 1 needs to be adjusted, the adjusting pipe 431 is driven to slide along the axial direction of the adjusting rod 432 only through the adjusting hydraulic cylinder 434, the adjusting seat 433 is rotationally connected with the adjusting rod 432, and the adjusting seat 433 can be abutted against the ground relatively in a relatively attached mode and meanwhile cannot interfere the sliding of the adjusting pipe 431.
In addition, in order to reduce the interference of the sliding movement of the adjusting pipe 431 along the adjusting rod 432, a plurality of sliding grooves 435 extending along the axial direction of the adjusting rod 432 are formed around the adjusting rod 432, and a plurality of sliding balls 436 distributed along the extending direction of the sliding grooves 435 are connected in a rolling manner in the sliding grooves 435. The sliding ball 436 is partially embedded in the inner wall of the adjusting tube 431, the sliding ball 436 can rotate relative to the adjusting tube 431, the rotation plane of the sliding ball 436 is parallel to the axial direction of the adjusting tube 431, and the sliding ball 436 is rotationally connected to the adjusting tube 431, so that the sliding of the adjusting tube 431 can be reduced by the sliding ball 436, the contact area with the sliding ball 436 can be increased by the sliding groove 435, and the supporting effect is optimized.
And control cylinder 32, telescoping cylinder 313, jack 42, and adjustment cylinder 434 are all self-locking cylinders.
The implementation principle of the waterproof board laying trolley provided by the embodiment of the application is as follows: when geotechnical cloth and waterproof board are laid simultaneously on the inner wall of the tunnel, firstly, the portal 1 is pulled by a tractor and is placed in the tunnel through the travelling part 41, then the portal 1 is lifted through the jacking part 42, finally, the portal 1 is located at the central position in the tunnel through the adjusting part 43, the supporting tube 312 is extended through the telescopic hydraulic cylinder 313, the laying roller 33 extends towards the inner wall of the tunnel, in the process, the angle of the rotating arm 321 is adjusted through the control hydraulic cylinders 322 of different laying parts 32, so that the two laying rollers 33 can be propped against the inner wall of the tunnel, in addition, the angle of the plane where the central axes of the two laying rollers 33 are located can be adjusted through the difference of the extending amounts of the control hydraulic cylinders 322 of different laying parts 32, and the use effect is optimized.
The embodiment of the application also discloses a waterproof board construction method. The construction method comprises the following steps: s1, preparation of construction: checking the water leakage condition of the primary support before the waterproof board is paved, and measuring and checking the super-underexcavation condition of the support section; material preparation: respectively winding the waterproof board and geotextile on two paving rollers 33;
s2, positioning a working trolley: positioning and leveling the waterproof board laying trolley, attaching a reflective mark and a safety mark slogan on the portal 1, opening a special distribution box switch of the waterproof board laying trolley, and checking whether no-load test operation is normal or not;
S3, fixing a laying roller: the laying roller 33 wound with geotextile and the laying roller 33 wound with waterproof board are respectively connected to the rotating arms 321 of different laying pieces 32 through the connecting pieces 35 in a rotating way, and the laying roller 33 wound with geotextile is positioned above the other laying roller 33 before being laid;
S4, portal position adjustment: the lifting piece 42 is used for lifting the portal 1, the hydraulic cylinder 434 is used for adjusting the hydraulic cylinder to enable the adjusting pipe 431 to slide along the adjusting rod 432, and the position of the portal 1 along the width direction of the tunnel is adjusted;
S5, paving a waterproof board: the two laying rollers 33 are respectively attached and matched to the inner wall of the tunnel through the telescopic hydraulic cylinder 313 and the control hydraulic cylinder 322, then the supporting piece 31 is driven to slide along the guide rail 11 in the circumferential direction through the guiding device 2, geotechnical cloth and a waterproof board are laid on the inner wall of the tunnel, the geotechnical cloth is fixed on the inner wall of the tunnel through the special hot-melt gasket and the shooting nail in the laying process, the concrete surface is sprayed, and meanwhile, the waterproof board is welded and fixed layer by layer, so that the geotechnical cloth and the waterproof board can be laid simultaneously, and the construction efficiency is improved.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (5)
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| CN202011167050.0A CN114483117B (en) | 2020-10-27 | 2020-10-27 | A waterproof board laying trolley and waterproof board construction method |
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| CN202011167050.0A CN114483117B (en) | 2020-10-27 | 2020-10-27 | A waterproof board laying trolley and waterproof board construction method |
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| CN115095345B (en) * | 2022-07-18 | 2023-04-25 | 涟源市湛宇机械设备有限责任公司 | Intelligent operation platform for dismounting and mounting vehicle-mounted tunnel steel templates |
| CN116025385B (en) * | 2023-01-30 | 2023-12-12 | 四川公路桥梁建设集团有限公司 | Tunnel supporting device |
| CN116575948B (en) * | 2023-05-22 | 2025-10-21 | 中交一公局第五工程有限公司 | A tunnel molded lining waterproof layer working platform and its use method |
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| CN111058877A (en) * | 2019-12-06 | 2020-04-24 | 周口师范学院 | Rotary type tunnel cloth hanging trolley |
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| CN102061927B (en) * | 2010-12-10 | 2012-07-18 | 中铁隧道集团有限公司 | Tunnel waterproof material laying equipment and method |
| CN202325557U (en) * | 2011-11-23 | 2012-07-11 | 中铁三局集团有限公司 | Multifunctional laying trolley for waterproof layer of tunnel |
| CN102839983A (en) * | 2012-09-27 | 2012-12-26 | 中铁隧道集团四处有限公司 | Hand-flapping automatic laid and hung type tunnel waterproof board |
| CN103899337B (en) * | 2014-04-09 | 2017-02-15 | 邓卫东 | Wide tunnel waterproof board installation platform and installation method |
| CN105840215A (en) * | 2016-04-12 | 2016-08-10 | 四川皓德斯新材料科技有限公司 | Tunnel waterproof board bonding and laying process |
| CN207598264U (en) * | 2017-07-30 | 2018-07-10 | 焦作市新矿机械有限公司 | A kind of anchor bar of waterproof plate in tunnels is laid with trolley automatically |
| CN107327309B (en) * | 2017-09-01 | 2019-03-19 | 中铁一局集团有限公司 | A kind of anchor bar of waterproof plate in tunnels laying trolley |
| CN109113766B (en) * | 2018-08-30 | 2019-11-12 | 中铁一局集团有限公司 | A waterproof cloth laying trolley |
| CN109899094B (en) * | 2019-04-04 | 2024-02-27 | 涪特智能装备（重庆）有限公司 | Comprehensive trolley for laying geotextile and waterproof board and mechanical laying method |
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| CN105736021A (en) * | 2016-05-11 | 2016-07-06 | 四川隧唐科技股份有限公司 | Tunnel automatic waterproof plate trolley |
| CN111058877A (en) * | 2019-12-06 | 2020-04-24 | 周口师范学院 | Rotary type tunnel cloth hanging trolley |
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Effective date of registration: 20250703 Address after: 610000 Sichuan Province, Chengdu City, Xindu District, Xindu Street, Puhelu Road No. 2939, Building 1, Room 326-20 (within Chuanghua Smart Port) Patentee after: Sichuan Rongyixiu Technology Co.,Ltd. Country or region after: China Address before: 610041 Sichuan Province, Chengdu City, Wuhou District, Changyi Road No. 11, 12th Floor, Room 28 Patentee before: Huahong Construction Group Co.,Ltd. Country or region before: China |